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Finding the Fourth Proportional to 3,696.60, 5,544.90 and 3,234.90

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Solution

The fourth proportional to 3,696.60, 5,544.90 and 3,234.90 is: 4,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.60 : 5,544.90 = 3,234.90 : x
  2. Step 2: Convert to fraction form
    3,696.60/5,544.90 = 3,234.90/x
  3. Step 3: Cross multiply
    3,696.60x = 5,544.90 × 3,234.90
  4. Step 4: Simplify right side
    3,696.60x = 17,937,197.01
  5. Step 5: Solve for x
    x = 17,937,197.01/3,696.60
  6. Step 6: Final answer
    x = 4,852.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.